(19)

(11)

EP 1 379 937 A2

(12)

(88) Date of publication A3: 12.12.2002 (43) Date of publication: 14.01.2004 Bulletin 2004/03 (21) Application number: 02724495.3 (22) Date of filing: 05.04.2002

(51) International Patent Classification (IPC)7: G06F 1/24 (86) International application number: PCT/IB2002/001096 (87) International publication number: WO 2002/082246 (17.10.2002 Gazette 2002/42)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 05.04.2001 US 826570 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: JENSEN, Rune NL-5656 AA Eindhoven (NL) (74) Representative: Duijvestijn, Adrianus Johannes  PhilipsIntellectual Property & StandardsP.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)